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103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
/*
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* Copyright (C) 2017 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License v.2.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "units.h"
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#include "device_mapper/all.h"
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#include <stdio.h>
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#include <string.h>
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static void test_percent_100(void *fixture)
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{
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char buf[32];
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/* Check 100% is shown only for DM_PERCENT_100*/
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dm_percent_t p_100 = dm_make_percent(100, 100);
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dm_percent_t p1_100 = dm_make_percent(100000, 100000);
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dm_percent_t n_100 = dm_make_percent(999999, 1000000);
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T_ASSERT_EQUAL(p_100, DM_PERCENT_100);
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T_ASSERT_EQUAL(p1_100, DM_PERCENT_100);
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T_ASSERT_NOT_EQUAL(n_100, DM_PERCENT_100);
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(void) dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(p_100));
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T_ASSERT_EQUAL(strcmp(buf, "100.00"), 0);
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(void) dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(p1_100));
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T_ASSERT_EQUAL(strcmp(buf, "100.00"), 0);
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(void) dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(n_100));
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T_ASSERT_NOT_EQUAL(strcmp(buf, "99.99"), 0); /* Would like to get */
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(void) dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_round_float(n_100, 2));
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T_ASSERT_EQUAL(strcmp(buf, "99.99"), 0);
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(void) dm_snprintf(buf, sizeof(buf), "%.3f", dm_percent_to_round_float(n_100, 3));
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T_ASSERT_EQUAL(strcmp(buf, "99.999"), 0);
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(void) dm_snprintf(buf, sizeof(buf), "%.4f", dm_percent_to_round_float(n_100, 4));
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T_ASSERT_EQUAL(strcmp(buf, "99.9999"), 0);
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(void) dm_snprintf(buf, sizeof(buf), "%d", (int)dm_percent_to_round_float(n_100, 0));
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T_ASSERT_EQUAL(strcmp(buf, "99"), 0);
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}
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static void test_percent_0(void *fixture)
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{
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char buf[32];
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/* Check 0% is shown only for DM_PERCENT_0 */
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dm_percent_t p_0 = dm_make_percent(0, 100);
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dm_percent_t p1_0 = dm_make_percent(0, 100000);
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dm_percent_t n_0 = dm_make_percent(1, 1000000);
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T_ASSERT_EQUAL(p_0, DM_PERCENT_0);
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T_ASSERT_EQUAL(p1_0, DM_PERCENT_0);
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T_ASSERT_NOT_EQUAL(n_0, DM_PERCENT_0);
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(void) dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(p_0));
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T_ASSERT_EQUAL(strcmp(buf, "0.00"), 0);
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(void) dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(p1_0));
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T_ASSERT_EQUAL(strcmp(buf, "0.00"), 0);
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(void) dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_float(n_0));
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T_ASSERT_NOT_EQUAL(strcmp(buf, "0.01"), 0);
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(void) dm_snprintf(buf, sizeof(buf), "%.2f", dm_percent_to_round_float(n_0, 2));
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T_ASSERT_EQUAL(strcmp(buf, "0.01"), 0);
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(void) dm_snprintf(buf, sizeof(buf), "%.3f", dm_percent_to_round_float(n_0, 3));
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T_ASSERT_EQUAL(strcmp(buf, "0.001"), 0);
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(void) dm_snprintf(buf, sizeof(buf), "%d", (int)dm_percent_to_round_float(n_0, 0));
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T_ASSERT_EQUAL(strcmp(buf, "1"), 0);
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}
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#define T(path, desc, fn) register_test(ts, "/base/formatting/percent/" path, desc, fn)
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void percent_tests(struct dm_list *all_tests)
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{
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struct test_suite *ts = test_suite_create(NULL, NULL);
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if (!ts) {
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fprintf(stderr, "out of memory\n");
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exit(1);
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}
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T("100", "Pretty printing of percentages near 100%", test_percent_100);
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T("0", "Pretty printing of percentages near 0%", test_percent_0);
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dm_list_add(all_tests, &ts->list);
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}
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